snow. and they will, with more storms. there's that colorful sky. thanks so much for sending them. we send it back in the studio now. >> thanks, ginger. i love the people in the security line behind you. hate being in line. but nice to have ginger there. now, to what may be a huge, medical breakthrough. a bionic suit, a sort of wearable robot, that can help paralyzed patients, people that never thought they would walk again. here's abc's muhammad lila. >> gentlemen, we can rebuild him. >> reporter: for years, we dreamed of the impossible. >> better than he was before. >> reporter: dreamed of building a bionic man. >> better, stronger, faster. >> reporter: today, those big dreams start with these tiny steps. >> mentally, it's a wonderful mealing to be upright and moving. >> reporter: 27-year-old aaron bloom was paralyzed after an accident two years ago. told he would never walk again. now, with each step, each grimace, he's defying the odds.